Post:
Could we please consider getting away from these unending discussions that don't relate to physics-demonstration and laboratory and tap-l?

Unless there's a DCS category for global warming that I've been missing!! JZ, then again, maybe with the frequency of this topic, we should consider having something under Thermodynamics... perhaps
4F10.12 Time Reversal--Earth 'excess heat added to Earth appears to be irreversible, but given a few million years will return to an icebox era'

Sorry to be one to say this, but there are many many many many other appropriate places to discuss this topic.